leaflet本地加载arcgis切片

  		var origin = [-20037700, 33711400];//图层起点坐标
		var resolutions = [
		    8466.6836000338681, // Level 0
		    4233.341800016934, // Level 1
		    2116.670900008467, // Level 2
		    1058.3354500042335, // Level 3
		    529.16772500211675 // Level 4
		];
		var crs = new L.Proj.CRS(
			'', 
			'+proj=cea +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs' , {
				origin:  origin,
				resolutions: resolutions
			}
		);
  		var map = L.map('map',{
			crs: crs,
			continuousWorld: true,
			worldCopyJump: false
		}).setView([23.39552, 113.308189], 0);

		var tileLayer = new L.TileLayer.TileLoad('http://localhost:8080/resources/china', {
                maxZoom: resolutions.length - 1,
                minZoom: 0,
                continuousWorld: true
            });
		tileLayer.addTo(map);

/**
 * 加载本地arcgis切片类
 * 
 * @author ful
 * @date 2014-09-03
 * @copyright (c) 
 */

/**
 * 继承自TileLayer
 * @param {Object} tomcat中映射该切片目录url
 * @param {Object} options
 */
L.TileLayer.TileLoad = L.TileLayer.extend({
	initialize: function (url, options) {
		options = L.setOptions(this, options);
		this.url = url + "/Layers/_alllayers/{z}/{x}/{y}.png";
		L.TileLayer.prototype.initialize.call(this, this.url, options);
	}
});

/**
 * 重写TileLayer中获取切片url方法
 * @param {Object} tilePoint
 */
L.TileLayer.prototype.getTileUrl = function(tilePoint) {
	return L.Util.template(this._url, L.extend({
		s: this._getSubdomain(tilePoint),
		z: function() {
			var value = tilePoint.z.toString(16);
			return "L" + pad(value, 2);
		},
		x: function() {
			var value = tilePoint.y.toString(16);
			return "R" + pad(value, 8);
		},
		y: function() {
			var value = tilePoint.x.toString(16);
			return "C" + pad(value, 8);
		}
	}));
};

L.tileLayer.tileLoad = function(url, options){
  return new L.TileLayer.TileLoad(url, options);
};

/**
 * 高位补全方法
 * @param {Object} 数字类型字符串
 * @param {Object} 总位数，不足则高位补0
 */
var pad = function(numStr, n) {
    var len = numStr.length;
    while(len < n) {
        numStr = "0" + numStr;
        len++;  
    }
    return numStr;
};

转载自：https://blog.csdn.net/u014269043/article/details/39023323